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Properties

Label 2790.2.cr
Level $2790$
Weight $2$
Character orbit 2790.cr
Rep. character $\chi_{2790}(121,\cdot)$
Character field $\Q(\zeta_{15})$
Dimension $1024$
Sturm bound $1152$

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Defining parameters

Level: \( N \) \(=\) \( 2790 = 2 \cdot 3^{2} \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2790.cr (of order \(15\) and degree \(8\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 279 \)
Character field: \(\Q(\zeta_{15})\)
Sturm bound: \(1152\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2790, [\chi])\).

Total New Old
Modular forms 4672 1024 3648
Cusp forms 4544 1024 3520
Eisenstein series 128 0 128

Trace form

\( 1024 q + 128 q^{4} + 4 q^{7} + O(q^{10}) \) \( 1024 q + 128 q^{4} + 4 q^{7} - 8 q^{13} + 128 q^{16} - 16 q^{17} - 16 q^{18} - 8 q^{19} + 20 q^{21} - 12 q^{23} - 512 q^{25} - 8 q^{26} - 108 q^{27} - 36 q^{28} - 4 q^{31} + 44 q^{33} - 8 q^{37} - 8 q^{39} + 32 q^{41} - 16 q^{42} - 36 q^{43} - 8 q^{45} + 132 q^{49} - 128 q^{51} + 16 q^{52} - 104 q^{53} - 24 q^{54} - 32 q^{57} + 32 q^{59} + 28 q^{61} - 48 q^{62} + 56 q^{63} - 256 q^{64} - 16 q^{65} + 64 q^{66} + 28 q^{67} - 128 q^{68} + 144 q^{69} + 48 q^{71} + 32 q^{72} + 28 q^{73} - 8 q^{74} - 24 q^{76} - 52 q^{77} + 8 q^{78} - 36 q^{79} - 128 q^{81} + 24 q^{84} - 48 q^{86} + 188 q^{87} + 144 q^{89} + 48 q^{90} - 44 q^{91} - 12 q^{92} + 84 q^{93} + 8 q^{95} + 24 q^{97} - 48 q^{98} + 152 q^{99} + O(q^{100}) \)

Display 100 coefficients 10 coefficients

Decomposition of \(S_{2}^{\mathrm{new}}(2790, [\chi])\) into newform subspaces

The newforms in this space have not yet been added to the LMFDB.

Decomposition of \(S_{2}^{\mathrm{old}}(2790, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2790, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(279, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(558, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1395, [\chi])\)\(^{\oplus 2}\)